Three of the Phase 6 polish tasks landed together:
* T040 test_activity_ordering_is_stable_by_issued_at_then_transaction_id
— AV-006 deterministic-ordering contract. Iterates adjacent pairs in
the response and asserts (issued_at, transaction_id) is monotonically
non-increasing. Catches any sort-stability regression — random
ordering would fail the pairwise check almost certainly.
* T041 test_activity_page_size_caps_returned_records_at_200 — pairs
with the existing pagination_clamps test. The former confirms
?page_size=500 doesn't 400; this one confirms the response is
bounded to ≤200 records as the OpenAPI contract guarantees.
* T053 verification: every fixture-mutating test in
activity_view_tests.py was already following the
try/finally + rollback convention (sweep verified 30 tests; zero
non-conformant). No remediation needed; documenting the
sweep result in the commit message.
Full activity-view suite: 32/32 integration + 65/65 unit tests green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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